—Trees are our friends. We should ______ them.
—I agree with you.
A. protect B. forget C. leave
—Hello, may I speak to Sandy?
— .
| A．Yes, I’m Rose | B．I’ll call back again |
| C．Yes, I can’t hear you | D．This is Sandy speaking |
Chineseby more and more people from all over the world today.
| A．learn | B．learned | C．is learned | D．was learned |
--Morn, must I clean my room now?
--No, you . You can do it tomorrow.
| A．can't | B．needn't | C．mustn't | D．shouldn't |
Helen was so excited at the news that she couldsay a word.
| A．ever | B．almost | C．hardly | D．always |
There must be wrong with the clock. It doesn't work.
| A．nothing | B．something | C．everything | D．anything |